diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index b1a3991..21a9a28 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -21,10 +21,10 @@ jobs:
       # breaking `uv run ruff`. The run steps below use --no-sync to reuse this venv.
       UV_PYTHON: ${{ matrix.python-version }}
     steps:
-      - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7
+      - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7
 
       - name: Install uv
-        uses: astral-sh/setup-uv@f98e06938123ccabd21905ea5d0069192241f9f1 # v8.3.1
+        uses: astral-sh/setup-uv@c771a70e6277c0a99b617c7a806ffedaca235ff9 # v9.0.0
         with:
           enable-cache: true
           cache-dependency-glob: uv.lock
diff --git a/.github/workflows/lock-refresh.yml b/.github/workflows/lock-refresh.yml
index e39001b..cb5c351 100644
--- a/.github/workflows/lock-refresh.yml
+++ b/.github/workflows/lock-refresh.yml
@@ -17,16 +17,16 @@ jobs:
   refresh:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7
+      - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7
 
       - name: Install uv
-        uses: astral-sh/setup-uv@f98e06938123ccabd21905ea5d0069192241f9f1 # v8.3.1
+        uses: astral-sh/setup-uv@c771a70e6277c0a99b617c7a806ffedaca235ff9 # v9.0.0
 
       - name: Re-resolve the lockfile
         run: uv lock --upgrade
 
       - name: Open a PR if the lock changed
-        uses: peter-evans/create-pull-request@22a9089034f40e5a961c8808d113e2c98fb63676 # v7
+        uses: peter-evans/create-pull-request@5f6978faf089d4d20b00c7766989d076bb2fc7f1 # v8.1.1
         with:
           branch: deps/lock-refresh
           commit-message: "deps: refresh uv.lock (uv lock --upgrade)"
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 76b4df4..ada2c7b 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -29,10 +29,10 @@ jobs:
       name: pypi
       url: https://pypi.org/p/loam-geo
     steps:
-      - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7
+      - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7
 
       - name: Install uv
-        uses: astral-sh/setup-uv@f98e06938123ccabd21905ea5d0069192241f9f1 # v8.3.1
+        uses: astral-sh/setup-uv@c771a70e6277c0a99b617c7a806ffedaca235ff9 # v9.0.0
 
       # The tag must match pyproject.toml's version so the artifact and tag never drift.
       - name: Verify version matches tag
@@ -65,10 +65,10 @@ jobs:
           uv run --isolated --no-project --with dist/*.whl loam indices >/dev/null
 
       - name: Publish to PyPI (Trusted Publishing / OIDC)
-        uses: pypa/gh-action-pypi-publish@cef221092ed1bacb1cc03d23a2d87d1d172e277b # v1.14.0
+        uses: pypa/gh-action-pypi-publish@ba38be9e461d3875417946c167d0b5f3d385a247 # v1.14.1
 
       - name: Create GitHub Release
-        uses: softprops/action-gh-release@718ea10b132b3b2eba29c1007bb80653f286566b # v3.0.1
+        uses: softprops/action-gh-release@3d0d9888cb7fd7b750713d6e236d1fcb99157228 # v3.0.2
         with:
           files: dist/*
           generate_release_notes: true
@@ -82,7 +82,7 @@ jobs:
     if: always() && (github.event_name == 'workflow_dispatch' || needs.release.result == 'success')
     runs-on: ubuntu-24.04-arm
     steps:
-      - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7
+      - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7
 
       - name: Resolve version
         id: ver
@@ -109,14 +109,14 @@ jobs:
           echo "::error::loam-geo $v not on PyPI after ~5min"; exit 1
 
       - name: Log in to GHCR
-        uses: docker/login-action@c94ce9fb468520275223c153574b00df6fe4bcc9 # v3
+        uses: docker/login-action@abd2ef45e78c5afb21d64d4ca52ee8550d9572c7 # v4.5.1
         with:
           registry: ghcr.io
           username: ${{ github.actor }}
           password: ${{ secrets.GITHUB_TOKEN }}
 
       - name: Build and push (arm64)
-        uses: docker/build-push-action@10e90e3645eae34f1e60eeb005ba3a3d33f178e8 # v6
+        uses: docker/build-push-action@53b7df96c91f9c12dcc8a07bcb9ccacbed38856a # v7.3.0
         with:
           context: .
           platforms: linux/arm64